Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/07/2026, 02:09

General

  • Target
    Madium-Bootstrapper.exe
  • Size 6.9MB
  • Sample260712-clltkaby8j
  • SHA256 1650251facc91ff98b7c710c9a3949ddcc1c91c08fd4c789ca0295be977c0b26
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Madium-Bootstrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Madium-Bootstrapper.exe"
    1⤵
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:4784
    • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
      "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --embedded-browser-webview=1 --webview-exe-name=Madium-Bootstrapper.exe --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView" --noerrdialogs --embedded-browser-webview-dpi-awareness=2 --mojo-named-platform-channel-pipe=4784.1592.2639803556382634605
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
        "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=crashpad-handler --user-data-dir=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Crashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=132.0.6834.160 "--annotation=exe=C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --annotation=plat=Win64 "--annotation=prod=Edge WebView2" --annotation=ver=132.0.2957.140 --initial-client-data=0x15c,0x160,0x164,0x138,0x16c,0x7ffbe30bb078,0x7ffbe30bb084,0x7ffbe30bb090
        3⤵
          PID:3748
        • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
          "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=gpu-process --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --gpu-preferences=UAAAAAAAAADgAAAEAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --always-read-main-dll --field-trial-handle=1760,i,13782260147432353258,17294237616946354740,262144 --variations-seed-version --mojo-platform-channel-handle=1728 /prefetch:2
          3⤵
            PID:1668
          • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
            "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=1980,i,13782260147432353258,17294237616946354740,262144 --variations-seed-version --mojo-platform-channel-handle=2404 /prefetch:3
            3⤵
              PID:2312
            • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
              "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --always-read-main-dll --field-trial-handle=2012,i,13782260147432353258,17294237616946354740,262144 --variations-seed-version --mojo-platform-channel-handle=2412 /prefetch:8
              3⤵
                PID:2520
              • C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe
                "C:\Program Files (x86)\Microsoft\EdgeWebView\Application\132.0.2957.140\msedgewebview2.exe" --type=renderer --string-annotations --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView" --webview-exe-name=Madium-Bootstrapper.exe --embedded-browser-webview=1 --embedded-browser-webview-dpi-awareness=2 --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --js-flags="--harmony-weak-refs-with-cleanup-some --expose-gc --ms-user-locale=" --always-read-main-dll --field-trial-handle=3696,i,13782260147432353258,17294237616946354740,262144 --variations-seed-version --mojo-platform-channel-handle=3744 /prefetch:1
                3⤵
                  PID:3608

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 32bbf15a8065ad5aa19cf3b93c7385e86395e580733ccd32bf3ac65722b52e4f
                  • MD5 SHA1 SHA512 TLSH

                  settings.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Crashpad\settings.dat
                  • Size 280B
                  • SHA256 76071425539b0d4e765c52b97e97dc866725cd343d51dd28a6704a3bc6b6a549
                  • MD5 SHA1 SHA512

                  throttle_store.dat

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Crashpad\throttle_store.dat
                  • Size 20B
                  • SHA256 41c91a9c93d76295746a149dce7ebb3b9ee2cb551d84365fff108e59a61cc304
                  • MD5 SHA1 SHA512

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\Code Cache\js\index
                  • Size 24B
                  • SHA256 fbcfe23a2ecb82b7100c50811691dde0a33aa3da8d176be9882a9db485dc0f2d
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\Code Cache\js\index-dir\the-real-index
                  • Size 48B
                  • SHA256 74250492e153e06af729f05dbca235732da6a9418cd6f56294463eba5f4e6594
                  • MD5 SHA1 SHA512

                  the-real-index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\Code Cache\wasm\index-dir\the-real-index
                  • Size 48B
                  • SHA256 703ee3f4a119fd9925cc3b1bffa47ace0db9b37204635e65c7fef8c035fad319
                  • MD5 SHA1 SHA512

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\DawnGraphiteCache\data_1
                  • Size 264KB
                  • SHA256 902f30c1fb0597d0734bc34b979ec5d131f8f39a4b71b338083821216ec8d61b
                  • MD5 SHA1 SHA512 SSDEEP

                  data_1

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\DawnGraphiteCache\data_1
                  • Size 264KB
                  • SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\DawnGraphiteCache\index
                  • Size 256KB
                  • SHA256 98f3d5f339e3b367422a255c5ebe759246c6301f1725fb1f66c1d51706cfc57c
                  • MD5 SHA1 SHA512 SSDEEP

                  data_0

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\DawnWebGPUCache\data_0
                  • Size 8KB
                  • SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
                  • MD5 SHA1 SHA512 SSDEEP

                  data_2

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\DawnWebGPUCache\data_2
                  • Size 8KB
                  • SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
                  • MD5 SHA1 SHA512 SSDEEP

                  data_3

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\DawnWebGPUCache\data_3
                  • Size 8KB
                  • SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
                  • MD5 SHA1 SHA512 SSDEEP

                  index

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\DawnWebGPUCache\index
                  • Size 256KB
                  • SHA256 2960009fd754e1760e9569bf304ab9ddff6a068aed02a8ba6ffd66ac7a315b19
                  • MD5 SHA1 SHA512 SSDEEP

                  000001.dbtmp

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\Extension Rules\000001.dbtmp
                  • Size 16B
                  • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                  • MD5 SHA1 SHA512

                  MANIFEST-000001

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\Extension Rules\MANIFEST-000001
                  • Size 41B
                  • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                  • MD5 SHA1 SHA512

                  SCT Auditing Pending Reports

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Default\Network\SCT Auditing Pending Reports
                  • Size 2B
                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                  • MD5 SHA1 SHA512

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Local State
                  • Size 1KB
                  • SHA256 8bcca1cc7f0b31ff2eebc28bdcb8d2d2ee704560965e635a9ef2073bed9294c4
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Local State
                  • Size 2KB
                  • SHA256 65aff82c9cabc9e2edc8f291bc528e2740ae200067f80774f0736fd087a9804a
                  • MD5 SHA1 SHA512 TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Local State
                  • Size 4KB
                  • SHA256 72c70f77218b19ca2e384f274dc8ae8116b0791a732a72c4c1f06f80402d6bf9
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Local State

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Local State
                  • Size 3KB
                  • SHA256 99b8ea4993a680d59b7d9e26d0a90a7bd019926c2e883f27078cf7c3cd740e1e
                  • MD5 SHA1 SHA512 TLSH

                  Local State~RFe584a23.TMP

                  • Path C:\Users\Admin\AppData\Local\Temp\MadiumLottie-{A9A6B50E-B292-40F6-8782-5E24C49B42D2}\wv2\EBWebView\Local State~RFe584a23.TMP
                  • Size 1KB
                  • SHA256 128ef15ad1eec01d2919478b8cd351a96984b795455cab32dee5dba9448a0d78
                  • MD5 SHA1 SHA512 TLSH

                  memory/1668-32-0x00007FFBFDA80000-0x00007FFBFDA81000-memory.dmp

                  memory/1668-302-0x0000020381C10000-0x0000020381CAB000-memory.dmp

                  memory/2520-34-0x00007FFBFF8F0000-0x00007FFBFF8F1000-memory.dmp

                  memory/2520-35-0x00007FFBFF930000-0x00007FFBFF931000-memory.dmp

                  memory/3608-261-0x00000171F4740000-0x00000171F47DB000-memory.dmp

                  memory/3608-128-0x00007FFBFDA80000-0x00007FFBFDA81000-memory.dmp